Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package com.gst.portfolio.client.domain; import java.util.LinkedHashMap; import java.util.Map; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.Table; import javax.persistence.UniqueConstraint; import org.apache.commons.lang.StringUtils; import com.gst.infrastructure.codes.domain.CodeValue; import com.gst.infrastructure.core.api.JsonCommand; import com.gst.infrastructure.core.domain.AbstractAuditableCustom; import com.gst.useradministration.domain.AppUser; @Entity @Table(name = "m_client_identifier", uniqueConstraints = { @UniqueConstraint(columnNames = { "document_type_id", "document_key" }, name = "unique_identifier_key"), @UniqueConstraint(columnNames = { "client_id", "document_key", "active" }, name = "unique_active_client_identifier") }) public class ClientIdentifier extends AbstractAuditableCustom<AppUser, Long> { @ManyToOne @JoinColumn(name = "client_id", nullable = false) private Client client; @ManyToOne @JoinColumn(name = "document_type_id", nullable = false) private CodeValue documentType; @Column(name = "document_key", length = 1000) private String documentKey; @Column(name = "status", nullable = false) private Integer status; @Column(name = "description", length = 1000) private String description; @Column(name = "active") private Integer active; public static ClientIdentifier fromJson(final Client client, final CodeValue documentType, final JsonCommand command) { final String documentKey = command.stringValueOfParameterNamed("documentKey"); final String description = command.stringValueOfParameterNamed("description"); final String status = command.stringValueOfParameterNamed("status"); return new ClientIdentifier(client, documentType, documentKey, status, description); } protected ClientIdentifier() { // } private ClientIdentifier(final Client client, final CodeValue documentType, final String documentKey, final String statusName, String description) { this.client = client; this.documentType = documentType; this.documentKey = StringUtils.defaultIfEmpty(documentKey, null); this.description = StringUtils.defaultIfEmpty(description, null); ClientIdentifierStatus statusEnum = ClientIdentifierStatus.valueOf(statusName.toUpperCase()); this.active = null; if (statusEnum.isActive()) { this.active = statusEnum.getValue(); } this.status = statusEnum.getValue(); } public void update(final CodeValue documentType) { this.documentType = documentType; } public Map<String, Object> update(final JsonCommand command) { final Map<String, Object> actualChanges = new LinkedHashMap<>(7); final String documentTypeIdParamName = "documentTypeId"; if (command.isChangeInLongParameterNamed(documentTypeIdParamName, this.documentType.getId())) { final Long newValue = command.longValueOfParameterNamed(documentTypeIdParamName); actualChanges.put(documentTypeIdParamName, newValue); } final String documentKeyParamName = "documentKey"; if (command.isChangeInStringParameterNamed(documentKeyParamName, this.documentKey)) { final String newValue = command.stringValueOfParameterNamed(documentKeyParamName); actualChanges.put(documentKeyParamName, newValue); this.documentKey = StringUtils.defaultIfEmpty(newValue, null); } final String descriptionParamName = "description"; if (command.isChangeInStringParameterNamed(descriptionParamName, this.description)) { final String newValue = command.stringValueOfParameterNamed(descriptionParamName); actualChanges.put(descriptionParamName, newValue); this.description = StringUtils.defaultIfEmpty(newValue, null); } final String statusParamName = "status"; if (command.isChangeInStringParameterNamed(statusParamName, ClientIdentifierStatus.fromInt(this.status).getCode())) { final String newValue = command.stringValueOfParameterNamed(descriptionParamName); actualChanges.put(descriptionParamName, ClientIdentifierStatus.valueOf(newValue)); this.status = ClientIdentifierStatus.valueOf(newValue).getValue(); } return actualChanges; } public String documentKey() { return this.documentKey; } public Long documentTypeId() { return this.documentType.getId(); } }